CVE-2023-34116
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper input validation in the Zoom Desktop Client for Windows before version 5.15.0 may allow an unauthorized user to enable an escalation of privilege via network access.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceImproper input validation in Zoom Desktop Client for Windows before version 5.15.0 allows an unauthenticated remote attacker to achieve privilege escalation via network access. The vulnerability stems from insufficient validation of input data that can be manipulated to elevate user privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 5.15.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check if Zoom Desktop Client for Windows is installedOpen Windows Control Panel > Programs and Features, or search for 'Zoom' in the Start menu. Alternatively, check for the installation directory at C:\Users\<username>\AppData\Roaming\Zoom or C:\Program Files\ZoomAffected if Zoom Desktop Client for Windows is present on the system
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Determine the installed Zoom version numberRight-click the Zoom desktop shortcut and select 'Properties', then click the 'Details' tab to view the 'File version' or 'Product version'. Alternatively, open Zoom, click your profile picture, then click 'Check for Updates' to see the current versionAffected if The version shown is lower than 5.15.0 (for example, 5.14.x, 5.13.x, or earlier)
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Verify the vulnerability conditionConfirm that the installed version is any version prior to 5.15.0, such as 5.14.10, 5.14.5, 5.13.20, or older releasesAffected if The installed Zoom version is below 5.15.0
The system is affected if Zoom Desktop Client for Windows is installed and the installed version is below 5.15.0.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped5.15.0
Upgrade Zoom Desktop Client for Windows to version 5.15.0 or later to remediate the improper input validation vulnerability.
5.15.0
- Open Zoom Desktop Client for Windows
- Click on your profile picture or initials in the top right corner
- Select 'Check for Updates' from the menu
- If update is available, download and install version 5.15.0 or later
- Alternatively, visit the official Zoom website and download the latest version for Windows
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-34116 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-34116 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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